what are the independent and dependent variables for the 1.05 Measuring Physical Properties Lab Report for the tinyians

Answer: B

Explanation:

You can use the conservation of momentum, under the assumption that no mass was lost when the collision occurred. The initial momentum of the system must equal the final momentum of the system. Our system is the region including, and only including, the satellite and the space debris. Classical momentum is defined as the product of mass and velocity:

\(p_i=p_f\)

\(m_1v_1_i+m_2v_2_i=m_1v_1_f+m_2v_2_f\)

Due to mass 1 equaling mass 2, we can factor these quantities out:

\(m(v_1_i+v_2_i)=m(v_1_f+v_2_f)\)

Cancel the mass term on both sides to get:

\(v_1_i+v_2_i=v_1_f+v_2_f\)

We have the initial and final velocities for everything besides the final velocity of the satellite. Plug everything in:

\(3700m/s+6000m/s=v_1_f+3700m/s\)

\(v_1_f=6000m/s\)

The potential energy of the lemming when it lands is 0.9108672 J.

To determine the potential energy (PE) of the lemming when it lands, we need to consider the conservation of energy. The potential energy of an object is given by the formula PE = mgh, where m is the mass of the object, g is the acceleration due to gravity, and h is the height.

Given:

Mass of the lemming (m) = 0.0780 kg

Height of the cliff (h) = 5.36 m

First, let's calculate the potential energy when the lemming is on the cliff. Using the given formula, we have:

PE = mgh

PE = 0.0780 kg * 9.8 m/s² * 5.36 m

PE = 0.413616 J

Next, we need to determine the final kinetic energy of the lemming just before it lands. We can use the equation for kinetic energy (KE) given by KE = (1/2)mv², where v is the velocity of the lemming.

Given:

Velocity of the lemming (v) = 4.84 m/s

Calculating the kinetic energy, we have:

KE = (1/2) * 0.0780 kg * (4.84 m/s)²

KE = 0.9108672 J

According to the conservation of energy, the potential energy at the top of the cliff is equal to the kinetic energy just before landing.

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The statement that says "Psychological disorders can be very difficult to diagnose" is true about diagnosing psychological disorders.

Psychological disorders are those mental, behavioral, emotional and thinking conditions that interfere with the normal performance of the individual in society.

Therefore, we can conclude that a psychological disorder is an alteration in the mental balance of a person that requires specialized attention adapted to the characteristics of the dysfunction.

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Answer:25N/

Explanation:

Answer:

Approximately \(3.967\; {\rm kg\cdot m\cdot s^{-1}}\).

Explanation:

Convert velocity to the standard units (meters per second):

\(\begin{aligned}v &= 246.2 \; {\rm km \cdot h^{-1}} \\ &= 246.2 \; {\rm km \cdot h^{-1}}\times \frac{1\; {\rm h}}{3600\; {\rm s}} \times \frac{1000\; {\rm m}}{1\; {\rm km}} \\ &\approx 68.389\; {\rm m\cdot s^{-1}}\end{aligned}\).

Convert mass to standard units (kilograms):

\(\begin{aligned} m &= 58\; {\rm g} \\ &= 58\; {\rm g} \times\frac{1\; {\rm kg}}{1000\; {\rm g}}\\ &= 0.058\; {\rm kg}\end{aligned}\).

When an object of mass \(m\) travels at a velocity of \(v\), momentum of that object would be \(p = m\, v\). In standard units, the momentum of this tennis ball would be:

\(\begin{aligned}p &= m\, v \\ &\approx (0.058\; {\rm kg})\, (68.389\; {\rm m\cdot s^{-1}}) \\ &\approx 3.967\; {\rm kg \cdot m\cdot s^{-1}}\end{aligned}\).

The magnitude and direction of the resultant of the five concurrent forces acting on a bolt is  390.58 N and -82.8 ⁰ respectively.

The magnitude and direction of the resultant of the five concurrent forces acting on a bolt is calculated as follows;

The sum of the x component of the five forces is calculated as;

F₁ₓ = -80 N x cos (27) = -71.28 N

F₂ₓ = -400 N x cos (22) = - 370.87 N

F₃ₓ = -150 N x cos (22 + 46) = -56.2 N

F₄ₓ = 300 N x cos (45) = 212.13 N

F₅ₓ = 250 N x cos (18) = 237.76 N

∑Fₓ = -48.98 N

The sum of the y component of the five forces is calculated as;

F₁y = -80 N x sin (27) = -36.32 N

F₂y = 400 N x sin (22) = 149.84 N

F₃y = 150 N x sin (22 + 46) = 139.1 N

F₄y = 300 N x sin (45) = 212.13 N

F₅y = -250 N x sin (18) = -77.25 N

∑Fy = 387.5 N

The magnitude of the resultant force;

F = √ (387.5² + 48.98²)

F = 390.58 N

The direction of the force;

θ = tan⁻¹ ( Fy / Fₓ )

θ = tan⁻¹ ( 387.5 / -48.98 )

θ = -82.8 ⁰

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Answer:

false

Explanation:

not everything has the same boiling point, or freezing point at that matter

Answer:

30J

Explanation:

Δq = Δu + Δw

⇒Δu = Δq - Δw

here, Δq = 60J & Δw = 30J

∴ Δu = 60 - 30 = 30 J

Answer:

Despite the fact that Joule's experiment failed, he accomplished a great deal. He developed a connection between the flow of current through a resistance and the heat produced. He is also credited with the first measurement of a gas molecule's velocity. For his experimental researches on the dynamical theory of heat, he was awarded a medal.

Explanation:

Any weapon that loads its bullet and propellant charge from the muzzle is referred to as a muzzleloader. This is separate from the more advanced and complex current breech-loading weapon designs.

Simply said, a muzzle loader is a firearm that loads through the muzzle and is generally lengthy. A spring-loaded arm that hits a replaceable piece of flint on a metal plate to produce sparks, which ignite the gunpowder and light the gun, is the firing mechanism known as a flintlock.

French artist and inventor Marin Le Bourgeoys, who flourished in the Renaissance from 1550 to 1634, is credited with creating the muzzle-loaded rifle.

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Answer:

A red light, green light, and blue light differ in wavelength

Explanation:

A red light, green light, and blue light differ in wavelength .

Different colors have different wavelengths or frequencies . Two light having different color may have different amplitude . Amplitude decides the intensity of light , not color. Sometimes , a light may be mixture of many color light like white light of the sun . Such light are not pure .

Answer:

v = 10 m/s

Explanation:

Given that,

Distance covered by a sprinter, d = 100 m

Time taken by him to reach the finish line, t = 10 s

We need to find his average velocity. We know that velocity is equal to the distance covered divided by time taken. So,

v = d/t

\(v=\dfrac{100\ m}{10\ s}\\\\v=10\ m/s\)

Hence, his average velocity is 10 m/s.

Answer:

Answer:

30 seconds

Explanation:

The formula for calculating acceleration is

( final velocity - inital velocity) ÷ time

If we enter the values, it would be (250 - 100) ÷ t = 5m/s^2

Now we need to know 't'

So we rearrange the equation to make t the subject.

(250-100) ÷ 5 = 30s

Answer:

Explanation:

The horizontal velocity is 1.61.

Answer:

Energy, in physics, the capacity for doing work. It may exist in potential, kinetic, thermal, electrical, chemical, nuclear, or other various forms. There are, moreover, heat and work—i.e., energy in the process of transfer from one body to another.

Explanation:

Hope this helps!

Answer:

Explanation:

d

A rock, a book and a can of soda all have the same mass. They each contain the same amount of matter.

Hence, the correct option is D.

Since the rock, book, and can of soda all have the same mass, it means that they contain the same amount of matter, regardless of their size or the material they are made of.

Mass is a measure of the amount of matter in an object, so if their masses are equal, it implies that the quantity of matter is the same in each of them.

The size, shape, and material composition can be different for each object, but their masses remain the same in this scenario.

Hence, A rock, a book and a can of soda all have the same mass. They each contain the same amount of matter.

Hence, the correct option is D.

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The wavelength of the light is 1.92 * 10^-6 m which corresponds to the infrared region as shown in the image attached.

We know that the hydrogen atom has electrons that occupy energy levels that are in conformity with the Bohr model. According to the Bohr model, electrons can move from a higher to a lower energy level.

We now have;

1/λ = RH (1/\(n_{2} ^2\) - 1/\(n_{1}^2\))

λ = wavelength

RH = Rydberg constant

The initial and the final levels are also shown therefore;

1/λ = 1.097 * 10^7 ( 1/3^2 - 1/4^2)

1/λ= 1.097 * 10^7 (0.11 - 0.0625)

λ=1.92 * 10^-6 m

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Answer:

I actually don't know bc I only need point s so yeah

Explanation:

the explanaition is nothing bc I have nothing

Find distance she traveled:

100m -25m = 75m

58 seconds / 2 second intervals = 29

29 x 2.6m = 75.4 meters total.

if the distance wasn’t rounded the statement was False.

Answer: False

Answer:

Electrostatic phenomenon is a from the forces that electric charges exert on each other.

Answer:

OB.It has definite shape and definite volume

Answer:

Your power output as you climb the stairs is 300.92 Watts.

Explanation:

Power is the amount of work per unit of time that some object or system produces. Power is calculated by:

\(P=\frac{W}{t}\)

Power is measured in watts (W), equivalent to one joule (J) of work done per second (s).

Work is defined in physics as the force that is applied to a body to move it from one point to another. The work is calculated as the multiplication of the force by the distance:

Work = F*d

Newton's second law says that the acceleration of a body is proportional to the resultant of forces on the acting and inversely proportional to its mass. This is expressed by the equation:

F=m*a

In this case,  

considering that the force of gravity acting on you, the force is:

F=m*a= 72.5 kg * 9.8 \(\frac{m}{s^{2} }\) =710.5 N

The distance is the multiplication between the number of stairs and the height of the stairs in meters (18 cm= 0.18 m, being 100 cm= 1 m):

d = 40 * 0.18 m= 7.2 m

Then:

Work= 710.5 N* 7.2 m

Work= 5,115.6 J

So finally the power can be calculated as:

\(P=\frac{5,115.6 J}{17s}\)

P= 300.92 Watts

Your power output as you climb the stairs is 300.92 Watts.

The magnitude of the magnetic force on a proton is 1.68 ✕ 10^−16 N, directed towards the negative y-direction. The magnitude of the magnetic force on an electron is also 1.68 ✕ 10^−16 N, but directed towards the positive y-direction.

Begin by using the formula for the magnetic force on a charged particle moving in a magnetic field:

F = q * v * B * sin(θ)

where F is the magnetic force, q is the charge of the particle, v is the velocity of the particle, B is the magnetic field strength, and θ is the angle between the velocity vector and the magnetic field vector.

For a proton, the charge is +e, where e is the elementary charge (1.6 ✕ 10^−19 C). The velocity of the proton is given as 3.99 ✕ 10^5 m/s in the positive x-direction. The magnetic field strength is 2.93 ✕ 10^−8 T in the positive z-direction.

The angle θ between the velocity vector and the magnetic field vector is 90 degrees since the velocity is perpendicular to the magnetic field.

Substituting the values into the formula, we get:

F_proton = (+e) * (3.99 ✕ 10^5 m/s) * (2.93 ✕ 10^−8 T) * sin(90°)

F_proton ≈ 1.68 ✕ 10^−16 N

Since the proton has a positive charge, the magnetic force is directed opposite to the direction of electron flow, which is in the negative y-direction.

Repeat the steps for an electron, but note that the charge is -e. The direction of the force on an electron will be opposite to that of a proton.

F_electron = (-e) * (3.99 ✕ 10^5 m/s) * (2.93 ✕ 10^−8 T) * sin(90°)

F_electron ≈ -1.68 ✕ 10^−16 N

The force on an electron is also 1.68 ✕ 10^−16 N, but directed towards the positive y-direction.

Remember to consider the proper units and take into account the directions of charge, velocity, and magnetic field when calculating the magnetic force on a charged particle.

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We can calculate the wavelength of the peak as follows:

λmax = 2.898 x 10^-3 μm K / 5.5 K = 0.526 μm

So, the wavelength of the peak is 0.526 μm.

The above wavelength is in the far-infrared range, which is different from the wavelength range in which the SST is designed to operate. The SST operates in the submillimeter range, which is significantly longer than the wavelength of the blackbody emission peak.

The wavelength of the blackbody emission peak does not compare favourably with the wavelength range in which the telescope is designed to operate. The telescope must be cooled to reduce its blackbody emission to operate effectively in the submillimeter range.

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The total resistance of the circuit is 3 ohms.

The total current in the circuit is 4 A.

The power of the circuit is 48 W.

What is the total resistance of the circuit?

The total resistance of the circuit is calculated as follows;

1 / Rt = 1/R1 + 1/R2 + 1 / R3

1/Rt = 1/6 + 1/12 + 1/12

1/Rt = 0.3333

Rt = 3 ohms

The total current in the circuit is calculated as follows;

I = V / Rt

I = ( 12 ) / ( 3 )

I = 4 A

The power of the circuit is calculated as follows;

P = IV

P = ( 4 x 12 )

P = 48 W

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Answer:

Every 11 years The solar cycle is the cycle that the Sun's magnetic field goes through approximately every 11 years.

Explanation:

Our Sun is a Large ball of electrically-charged hot gas. This charged gas moves, generating a powerful magnetic field. The Sun's magnetic field goes through a cycle, called the solar cycle.

Every 11 years or so, the Sun's magnetic field completely flips. This means that the Sun's north and south poles switch places. Then it takes about another 11 years for the Sun’s north and south poles to flip back again.

The solar cycle affects activity on the surface of the Sun, such as sunspots which are caused by the Sun's magnetic fields. As the magnetic fields change, so does the amount of activity on the Sun's surface.

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Brain-List?

Time it takes energy to pass through radiative zone is :  A) 8 minutes

Energy generated in the core of the Sun takes about 8 minutes to pass through radiative zone and reach the top of convective zone. The radiative zone is a layer of the Sun that lies just outside the core and it is characterized by high density and high temperature.

In this zone, energy is transported by photons that bounce around between atoms and ions that make up the plasma of the Sun. This process is known as radiative diffusion and is relatively slow compared to convective transport of energy that takes place in the outer layers of Sun.

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